Spray counter lightly with non-stick cooking spray. Combine rolls into a ball and roll into a 13-inch circle. Place on a sprayed 12-inch pizza pan. Poke several times with a fork and bake at 350°F 10 minutes. Remove from oven to cool.Combine cilantro pesto ingredients in a small food processor bowl and process until almost smooth. Spread evenly over cooled crust. In a bowl, combine chicken and taco seasoning and mix well. Heat olive oil in a skillet over medium heat. Add chicken and cook until cooked through. Place chicken evenly over pesto. Top with cheese, tomatoes and green onion. Bake at 350°F 10-15 minutes.